Chemical composition wt% · log scale 0.01 0.1 1 10 C 0.32 – 0.4 Cr 0.3 – 0.7 Mn 0.4 – 0.8 Ni 1.25 – 1.75 P 0.035 S 0.035 Si 0.15 – 0.35
Mechanical properties value range by condition Yield strength Rp0.2 ≥785 MPa Tensile strength Rm 980–1180 MPa Impact energy Kv/Ku ≥45 J Elongation A ≥11 % quenched and tempered, <= 16 mm Yield strength Rp0.2 ≥490 MPa Tensile strength Rm 690–830 MPa Impact energy Kv/Ku ≥70 J Elongation A ≥15 % quenched and tempered, > 100 <= 160 mm Yield strength Rp0.2 ≥685 MPa Tensile strength Rm 880–1030 MPa Impact energy Kv/Ku ≥55 J Elongation A ≥13 % quenched and tempered, > 16 <= 40 mm Yield strength Rp0.2 ≥590 MPa Tensile strength Rm 780–930 MPa Impact energy Kv/Ku ≥65 J Elongation A ≥14 % quenched and tempered, > 40 <= 100 mm
Germany · DIN